On Jul 15, 2009, at 5:36 PM, Development wrote:
Ok, I lucked out and got a great chance at releasing a bit of
software in japan. The problem is that it is 50/50 client to web. My
primary concerns are string translation from iPhoneOS to data being
stored in a mysql database. I have spent quite a bit of time
googling and am still not sure but is the japanese data that will be
sent from my application to my server utf-8? Or is it utf-16 as I
for some reason thought. Everything sent to the server is pre
encoded for transport, stored and then unencoded by the app so I
feel at least a level of confidence that if I encode with the
correct string encoding my server side will just accept and store
the data. I dunno. Maybe I'm completely confused.
You'll want to first understand the encoding of your "endpoints" and
then pick an appropriate transport encoding.
In terms of MySQL, you can define the encoding of a column to be
something like this:
varchar(100) character set UTF8
Or, pick whatever encoding you deem appropriate (perhaps UTF-16?)
On the iPhone, all textual data in memory (e.g. NSString) will be
UTF-16. If you store data in files on the iPhone, you'll want to
store them in some well-known encoding. This will typically be UTF-16
especially if you simply archive NSString objects.
As for the transport, I would highly recommend UTF-8 as no
byteswapping is needed. For most Latin-based data, the number of
bytes taken up in UTF-8 will be less than what is used by UTF-16. For
Japanese (and many other languages), the number of bytes of UTF-8 will
be more than UTF-16. Just wanted to point that out in case you have
insanely strict bandwidth requirements.
Then, it's just a matter of calling the correct APIs at each endpoint
to ensure you don't mangle the text.
___________________________________________________________
Ricky A. Sharp mailto:rsh...@instantinteractive.com
Instant Interactive(tm) http://www.instantinteractive.com
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